CameraCalibration MakeCalibration(XElement cameraNode, XNamespace ns)
{
XElement calibration = cameraNode.Element(ns + "calibration");
return new CameraCalibration(CalibrationMatrix.ToMatrix4x4(calibration.Element(ns + "colorCameraMatrix")),
CalibrationMatrix.ToMatrix4x4(calibration.Element(ns + "colorLensDistortion")),
CalibrationMatrix.ToMatrix4x4(calibration.Element(ns + "depthCameraMatrix")),
CalibrationMatrix.ToMatrix4x4(calibration.Element(ns + "depthLensDistortion")),
CalibrationMatrix.ToMatrix4x4(calibration.Element(ns + "depthToColorTransform")));
}